Home / 37,688.25-56,538.52-12,729.79

Finding the Fourth Proportional to 37,688.25, 56,538.52 and 12,729.79

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Solution

The fourth proportional to 37,688.25, 56,538.52 and 12,729.79 is: 19,096.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,688.25 : 56,538.52 = 12,729.79 : x
  2. Step 2: Convert to fraction form
    37,688.25/56,538.52 = 12,729.79/x
  3. Step 3: Cross multiply
    37,688.25x = 56,538.52 × 12,729.79
  4. Step 4: Simplify right side
    37,688.25x = 719,723,486.51
  5. Step 5: Solve for x
    x = 719,723,486.51/37,688.25
  6. Step 6: Final answer
    x = 19,096.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.